<template>
	<view class="navbar">
		<view class="navbar-fixed">
			<!--状态栏-->
			<view :style="{height:statusBarHeight+'px'}"></view>
			<!--导航栏内容-->
			<view class="navbar-content" :class="{search:isSearch}" :style="{height:navBarHeight+'px',
			width:windowWidth+'px'}" @click.stop="open">
			    <view v-if="isSearch" class="navbar-content__search-icons" @click="back">
					<uni-icons type="back" size="22" color="#fff"></uni-icons>
				</view> 
				<view v-if="!isSearch" class="navbar-search">
					<!-- 非搜索页显示 -->
					<view class="navbar-search_icon">
						<uni-icons type="search" size="16" color="#999"></uni-icons>
					</view>
					<view class="navbar-search_text">uni-app,vue</view>
				</view>
				<view v-else class="navbar-search">
					<!-- 搜索页显示 -->
					<input class="navbar-search_text" type="text" v-model="val"
					 placeholder="请输入您要搜索的内容" @input="inputChange"/>
				</view>
				  
			</view>
		</view>
		<view :style="{height: statusBarHeight+navBarHeight+'px'}"></view>
	</view>
</template>

<script>
	export default {
		props:{
			value:{
				type:[String,Number],
				default:''
			},
			isSearch:{
				type: Boolean,
				default: false
			}
		},
		data() {
			return {
				statusBarHeight: 20,
				navBarHeight: 45,
				windowWidth: 375,
				val:''
			};
		},
		watch:{
			value(newVal){
				this.val = newVal
			}
		},
		created() {
			//获取手机系统信息
			const info = uni.getSystemInfoSync()
			//设置状态栏的高度
			this.statusBarHeight = info.statusBarHeight
			this.windowWidth = info.windowWidth
			//console.log(info);
			// #ifndef H5 || APP-PLUS || MP-ALIPAY
			//获取胶囊的位置
			const menuButtonInfo = uni.getMenuButtonBoundingClientRect()
			//console.log(menuButtonInfo);
			//(胶囊底部高度 - 状态栏的高度) + (胶囊顶部高度 - 状态栏内的高度) = 导航栏的高度
			
			this.navBarHeight = (menuButtonInfo.bottom - info.statusBarHeight) + 
			(menuButtonInfo.top - info.statusBarHeight)
			this.windowWidth = menuButtonInfo.left
			// #endif
			//console.log(navBarHeight);
		},
		methods:{
			back(){
				uni.switchTab({
					url:'/pages/tabbar/index/index'
				})
			},
			open() {
				if(this.isSearch) return
				uni.navigateTo({
					url:"/pages/home-search/home-search"
				})
			},
			inputChange (e){
				const {value} = e.detail
				// console.log(value);
				this.$emit('input',value)
			}
		}
	}
</script>

<style lang="scss">
	@import  '../../common/css/icons.css';
    .navbar {
		.navbar-fixed {
			position: fixed;
			top: 0;
			left: 0;
			z-index: 99;
			width: 100%;
			background-color: $mk-base-color;
			.navbar-content {
				display: flex;
				justify-content: center;
				align-items: center;
			    padding: 0 15px;
				height: 45px;
				box-sizing: border-box;
				.navbar-search {
					display: flex;
					align-items: center;
					padding: 0 10px;
					width: 100%;
					height: 30px;
					border-radius: 30px;
					background-color: #fff;
					.navbar-search_icon {
						//width: 10px;
						//height: 10px;
						//border: 1px red solid;
						margin-right: 10px;
					}
					.navbar-search_text {
						width: 100%;
						font-size: 14px;
						color: #999;
					}
				}
				&.search {
					padding-left: 0;
					.navbar-content__search-icons {
						margin-left: 10px;
						margin-right: 10p;
					}
					.navbar-search {
						border-radius: 5px;
					}
				}
			}
		}
	}
</style>
